Language

First, please check file ./lib/main.dart and define your list language support

child: MaterialApp(  
    locale: const Locale("en"), //It will be system language if you remove this line  
       supportedLocales: [  //add more support language.  
         const Locale('en', ''),  
         const Locale('ar', ''),  
         const Locale('fa', ''),  
         const Locale('he', ''),  
         const Locale('ps', ''),  
         const Locale('ur', '')  
       ],  
);  

Then define your json lanuage in folder following your list language ./assets/strings/..